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(No Model.) 2 Sheets-Sheet l. W. JAMES.

HARNESS MACHINE.

No. 443,679. Patented Dec. 30, 1890;

Wfineswea 45% A. 17075 (No Model.) W JAMES 2'-SheetsShe et 2.

HARNESS MACHINE.

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Patented Dec. 30, 1890.

m. m k v NITED STATES PATENT OFFICE.

IVILLIAM JAMES, OF ADELAIDE, SOUTH AUSTRALIA.

HARN ESS-MACHIN E.

SPECIFICATION forming part of Letters Patent No. 443,679, dated December30, 1890.

Application filed September 13,1890. Serial No. 364,848- (No model.)

To all whom it may concern.-

Be it known that I, WILLIAM J AMES, of Adelaide, South Australia, haveinvented a new and useful Improvement in Machines for IVorking Leather,&c., of which the following is a specification.

My invention relates to an improvement in combination-machines forworking leather and other materials in which a vertically-adjustableyoke is adapted to receive interchangeable tools, which, in connectionwith a suitable support, serve to operate upon the leather in thedesired manner.

My invention also provides for working upon the edges of broad sheets ofmaterial chine, showing in connection therewith a roiary spindlecarrying pricking-wheels for indicating both straight and sinuous linesof stitching. Fig. 2 is a transverse vertical section from front torear. Fig. 3 is a View in detail of the guide, and showing itsconnection with the frame. Fig. 4 is a view in side elevation in detailof acam-support for purposes of skiving and splitting. Fig. 5 is an endview of the same. Fig. 6 is a View in detail of a roller for supportingdifferent widths of straps or strips of material, the edges of which areintended to be operated upon. Fig. 7 is a side View in detail of theoval pricking-wheel.

The main frame of the machine consists of a base portion A, from one endof which a short upright portion a extends, and from the opposite end ofwhich an upright portion a extends upwardly, thence laterally, as shownat 00*, and thence downwardly, as shown at a to a point a short distanceabove the short upright portion a. The inner faces of the V uprightportions a and a are provided with longitudinally extending grooves B,which terminate at their lower ends, one at the opening between theparts a and a of the frame and the other in a recess 12, which extendsinwardly from the front of the upright portion a. The opening betweenthe parts a and a and the recess 1) are intended to be of such width asto receive therein the squared ends of bearings C of theinterchangeablespindles which support the various tools. The grooves B in the innerfaces of the portions a and a of the frame are also intended tocorrespond to the said squared portions 0 of the bearings, and toreceive them with an easy sliding fit when they havebeen inserted withinthe opening upon one side and the recess b upon the other side inposition beneath the' lower end of the grooves.

Between the inner faces of the portions a and a there is located a yokeD, the ends of which are turned downwardly and rest with their outerfaces in close sliding contact with said inner faces of the frame. Thedownwardly-turned ends of said yoke are provided with recesses d, whichopen toward the front edges of the ends, and which are adapted toreceive the squared ends 0 of the tool-holding spindles when the latterare slid rearwardly into position to be received within the grooves 13.The yoke D is connected at its middle portion with an adjusting-screw E,provided with a hand-wheel c, said adj Listing-screw being seated in athreaded socket formed in the top portion a of the frame and having itslower end connected with the yoke so as to turn freely, but at the sametime locked to the yoke so as to cause the yoke to rise and fall as thescrew is turned up or down within its threaded socket of the frame. Inthe present instance I have shown the lower end of the screw providedwith a disk portion e, from the lower face of which projects a reducedcylindrical portion 6 The reduced portion e extends through and worksfreelyin a socket formed in the yoke, and is provided at its lower endbeneath the yoke with a disk a which is fixed to the reduced portion' 0so as to prevent it from being with.- drawn from the socket in the yoke,thereby causing the yoke to follow the up anddown movements of thescrew.

As supports for the work to be operated upon, I provide interchangeablerollers, three examples of which are represented in the accompanyingdrawings. In Fig. 1 I have shown a cylindrical roller F, loosely mountedupon a removable spindle G, seated in suitable bearings formed in theupright portions 1/. and a of themain frame and conveniently providedwith. a handle 9 for withdrawing it from the l'rameand from the roller Ithrough which it extends, and thereby allowing the ready removal of theroller forthe purpose of inserting one of another form.

For the purpose of guiding the nmterial to be operated upon trulybeneath the operatingtools, I have provided the back of the frame with asupporting arm ll, extending laterally across the opening between theuprights u. and o. of the frame and provided at one end with avertically-elongated slot 7i for the purpose of adjusting the arm up anddown to bring its upper surface into the proper relation to the surfaceof the roller or work-support in use. The said arm II is adjusted andsupported by means of a headed stud 7t, which projects rearwardly fromthe main frame, and is adapted to be received through the wider portionof the slot 71 and when so inserted and the arm slid upwardly for aslight distance the sides of the head of the stud it will engage thesaid arm at the opposite edges of the slot and preventit from outwarddisplacement. In addition to the stud It, a bindingscrew 7L2 is insertedthrough the slot into the frame and serves, together with the stud 71 tolock the arm in the desired. adjustment. Upon the arm II a pair ofguidecheeks I are located and adapted to slide. The said checks arelocked in any desired position upon the arm by m ans of binding screws2'.

W'hen it is desired to work upon the edge of a broad sheet of leather orother material, the space between the portions a and a of the main frameis left open, and through this the material may be passed while its edgeis engaged by the tools. When, however, it is desired to do fine worksimultaneously upon the opposite edges of narrow strips or thro ughout agreat extent of the width of the strip, it is desirable that the portionof the frame supporting the cutting-tool should not be allowed to springback from its work at either edge. To prevent this I provide a brace K,pivotally secured atits lower end to the outer edge portion a of themain frame, preferably by means of a screw 70, and at its upper endprovided with a binding screw 71:, which, when the brace is swung intoposition, is adapted to engage a threaded perforation in the outer edgeof the portion a of the main frame, and thereby secure the brace inposition, connecting the portions to and a" of the frame, whollypreventing any tendency of the frame to yield at that end of the spindleor at that edge of the material being operated upon.

In Fig. 1 I have shown a rotary spindle L, squared for the purpose ofpreventing the rotary movement of the tools supported thereon, andprovided with a scrcw thread at its corners for the purpose of operatingadj usting-nuts Z thereon to hold the tools in position. The saidspindle is here shown as provided with a pair of prickingavheels Z,adjusted the desired distance apart for indicating the position ofparallel seams, and also a pricking-wheel 1 of oblong shape, secured inan oblique position upon the spindle by means of a pair of oblique-facedcheeks If. The spindle is also shown as provided with a crank M, havinga handle m for rotating it.

In Fig. 4: I have represented a cam-roller l1", which maybe utilizedboth for skiving and for splitting leather or other strips of material.

In Fig. (i I have shown a roller provided with annular recesses ofvarious widths for the purpose of thinning the edges of. leather orother material.

The spindles carrying the work-tools are adj ustedin the frame bylowering the yoke to a position such that the recesses in its ends willcorrespond with the recess 1) in the frame and the opening between theparts a a, and then inserting the squared ends of the spin die orspindle-bearing rearwardlyinto the recesses in the yoke, and then, bymeans of the screw E, elevating the yoke, thereby drawing the saidsquared ends 0 of the spindle upwardly into the grooves Ilof the mainframe. In this position the spindle is securely locked against bothlateral and vertical displacement, and may be adjusted vertically atpleasure by means of the screw E.

For the purpose of giving the roller or work-support a yieldingadjustment when the class of work performed--as, for example,trimming-den1ands it, I provide a springcushion, upon which theroller-spindle may be supported. I11 the present instance this isrepresented as a stem 0, provided with anut 0 for adjusting itvertically, the said stem having two spring-arms o branching there from,the ends of the arms restingin position to engage the under side of abar 0*, having standards to engage the ends of the rollerspindle when itrests in its bearings. The roller spindle-bearings are for this purposeelongated vertically.

'hat I claim as my invention is-- 1. The combination, with a frameconsistin gof upright portions provided with grooves in the oppositeinner faces and with openings from the side of the frame to saidgrooves, a

tool-holdlug-spindle, and a tool, of a yoke provided with recesses forthe reception of the tool-holdin g spindle, said recesses in the yokecorresponding with the grooves in the frame,

means for adjusting the yoke longitudinally of the grooves in the frame,and a removable support for interchangeable rollers or worksupportsseated in the frame, substantially as set forth.

2. The combination, with a frame consisting of a portion extendingupward, laterally, and downward and permanently connected with the baseat one end only, the said frame being provided with grooves in theopposite faces of its upwardly and downwardly ext-encb ing' portions forthe reception of a tool-holding spindle, of the tool-holding spindle andtool, and an adjustable brace for connecting the free end of said framerigidly with the base or releasing it therefrom, the opening acrosswhich the said brace is arranged to extend being located in position toreceive the material to be operated upon While traveling in engagementwith the tool, substantially as set forth.

3. The combination, with the frame provided with a seat for thetool-holding spindle, the tool-holding spindle, and interchangeabletools adapted to the spindle, of a removable support for interchangeablerollers or Worksupports, a guide-supporting arm secured to the mainframe in vertical adjustment to correspond with the varying positions ofthe surface of the work-supports, and laterally-adjustable checkssecured on the arm to guide the work to suit the interchangeable tools,substantially as set forth.

4. The combination, with the frame and the vertically-adj ustable yoke,of the spindle seated in the frame and yoke, an oval-shapedpricking-Wheel secured in an-oblique position upon the spindle, and theWork-support, substantially as set forth.

5. The combination, with the frame and the spindle-support, of a squaredspindle for re ceiving the tools, and said tools, the corners of thespindle being screw-threaded, and adjusting-nuts working in the spindleto adjust the tools, substantially as set forth.

WILLIAM JAMES.

Witnesses:

FREDK. HAYNES, K. E. PEMBLETON.

